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1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
7e9e8871 | 4 | | CiviCRM version 4.7 | |
6a488035 | 5 | +--------------------------------------------------------------------+ |
e7112fa7 | 6 | | Copyright CiviCRM LLC (c) 2004-2015 | |
6a488035 TO |
7 | +--------------------------------------------------------------------+ |
8 | | This file is a part of CiviCRM. | | |
9 | | | | |
10 | | CiviCRM is free software; you can copy, modify, and distribute it | | |
11 | | under the terms of the GNU Affero General Public License | | |
12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | | |
13 | | | | |
14 | | CiviCRM is distributed in the hope that it will be useful, but | | |
15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
17 | | See the GNU Affero General Public License for more details. | | |
18 | | | | |
19 | | You should have received a copy of the GNU Affero General Public | | |
20 | | License and the CiviCRM Licensing Exception along | | |
21 | | with this program; if not, contact CiviCRM LLC | | |
22 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
23 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
25 | +--------------------------------------------------------------------+ | |
d25dd0ee | 26 | */ |
6a488035 TO |
27 | |
28 | /** | |
29 | * @package CRM | |
e7112fa7 | 30 | * @copyright CiviCRM LLC (c) 2004-2015 |
6a488035 TO |
31 | * $Id$ |
32 | */ | |
33 | ||
34 | /** | |
35 | * An extension container is a locally-accessible source tree which can be | |
36 | * scanned for extensions. | |
37 | */ | |
38 | class CRM_Extension_Container_Collection implements CRM_Extension_Container_Interface { | |
39 | ||
40 | /** | |
41 | * @var array ($name => CRM_Extension_Container_Interface) | |
42 | * | |
43 | * Note: Treat as private. This is only public to facilitate debugging. | |
44 | */ | |
45 | public $containers; | |
46 | ||
47 | /** | |
48 | * @var CRM_Utils_Cache_Interface|NULL | |
49 | * | |
50 | * Note: Treat as private. This is only public to facilitate debugging. | |
51 | */ | |
52 | public $cache; | |
53 | ||
54 | /** | |
55 | * @var string the cache key used for any data stored by this container | |
56 | * | |
57 | * Note: Treat as private. This is only public to facilitate debugging. | |
58 | */ | |
59 | public $cacheKey; | |
60 | ||
61 | /** | |
62 | * @var array ($key => $containerName) | |
63 | * | |
64 | * Note: Treat as private. This is only public to facilitate debugging. | |
65 | */ | |
66 | public $k2c; | |
67 | ||
68 | /** | |
78612209 TO |
69 | * @param array $containers |
70 | * Array($name => CRM_Extension_Container_Interface) in order from highest | |
71 | * priority (winners) to lowest priority (losers). | |
6a488035 | 72 | * @param CRM_Utils_Cache_Interface $cache |
78612209 TO |
73 | * Cache in which to store extension metadata. |
74 | * @param string $cacheKey | |
75 | * Unique name for this container. | |
6a488035 TO |
76 | */ |
77 | public function __construct($containers, CRM_Utils_Cache_Interface $cache = NULL, $cacheKey = NULL) { | |
78 | $this->containers = $containers; | |
79 | $this->cache = $cache; | |
80 | $this->cacheKey = $cacheKey; | |
81 | } | |
82 | ||
83 | /** | |
e7c15cb6 | 84 | * @inheritDoc |
6a488035 | 85 | */ |
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86 | public function checkRequirements() { |
87 | $errors = array(); | |
88 | foreach ($this->containers as $container) { | |
89 | $errors = array_merge($errors, $container->checkRequirements()); | |
90 | } | |
91 | return $errors; | |
92 | } | |
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93 | |
94 | /** | |
e7c15cb6 | 95 | * @inheritDoc |
0bb81f24 | 96 | */ |
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97 | public function getKeys() { |
98 | $k2c = $this->getKeysToContainer(); | |
99 | return array_keys($k2c); | |
100 | } | |
101 | ||
102 | /** | |
e7c15cb6 | 103 | * @inheritDoc |
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104 | */ |
105 | public function getPath($key) { | |
106 | return $this->getContainer($key)->getPath($key); | |
107 | } | |
108 | ||
109 | /** | |
e7c15cb6 | 110 | * @inheritDoc |
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111 | */ |
112 | public function getResUrl($key) { | |
113 | return $this->getContainer($key)->getResUrl($key); | |
114 | } | |
115 | ||
116 | /** | |
e7c15cb6 | 117 | * @inheritDoc |
6a488035 TO |
118 | */ |
119 | public function refresh() { | |
120 | if ($this->cache) { | |
121 | $this->cache->delete($this->cacheKey); | |
122 | } | |
123 | foreach ($this->containers as $container) { | |
124 | $container->refresh(); | |
125 | } | |
126 | } | |
127 | ||
128 | /** | |
fe482240 | 129 | * Get the container which defines a particular key. |
6a488035 | 130 | * |
78612209 TO |
131 | * @param string $key |
132 | * Extension name. | |
dd244018 EM |
133 | * |
134 | * @throws CRM_Extension_Exception_MissingException | |
6a488035 | 135 | * @return CRM_Extension_Container_Interface |
6a488035 TO |
136 | */ |
137 | public function getContainer($key) { | |
138 | $k2c = $this->getKeysToContainer(); | |
22c810a7 | 139 | if (isset($k2c[$key]) && isset($this->containers[$k2c[$key]])) { |
6a488035 | 140 | return $this->containers[$k2c[$key]]; |
78612209 TO |
141 | } |
142 | else { | |
6a488035 TO |
143 | throw new CRM_Extension_Exception_MissingException("Unknown extension: $key"); |
144 | } | |
145 | } | |
146 | ||
147 | /** | |
148 | * Get a list of all keys in these containers -- and the | |
149 | * name of the container which defines each key. | |
150 | * | |
a6c01b45 CW |
151 | * @return array |
152 | * ($key => $containerName) | |
6a488035 TO |
153 | */ |
154 | public function getKeysToContainer() { | |
155 | if ($this->cache) { | |
156 | $k2c = $this->cache->get($this->cacheKey); | |
157 | } | |
c3d574fc | 158 | if (!isset($k2c) || !is_array($k2c)) { |
6a488035 TO |
159 | $k2c = array(); |
160 | $containerNames = array_reverse(array_keys($this->containers)); | |
161 | foreach ($containerNames as $name) { | |
162 | $keys = $this->containers[$name]->getKeys(); | |
163 | foreach ($keys as $key) { | |
164 | $k2c[$key] = $name; | |
165 | } | |
166 | } | |
167 | if ($this->cache) { | |
168 | $this->cache->set($this->cacheKey, $k2c); | |
169 | } | |
170 | } | |
171 | return $k2c; | |
172 | } | |
96025800 | 173 | |
6a488035 | 174 | } |